Privacy Policy Effective Date: May 25, 2018 At LeJeune Bolt Company, we value your privacy and are committed to protecting your personal information. This Privacy Policy explains what information we collect, how we use it, who we share it with, and the choices you have regarding your information. Information We Collect We may collect the [...]
The Research Council on Structural Connections (RCSC) has published the 2020 edition of it's Specification for Structural Joints Using High-Strength Bolts. The newest edition includes a number of significant updates and additions that will impact the way structures are designed and built. The two most significant changes in relation to the TNA Fastening System [...]
LeJeune Bolt Company continues to work with innovative partners to bring the TNA® Fastening System to the broader steel construction market. One of those partners, SidePlate Systems, recently announced their newest product, SidePlate Plus, has received AISC approval for inclusion in the latest edition of ANSI/AISC 358 " Prequalified Connections for Special and Intermediate [...]
THE FASTEST WAY TO FIND OUT MORE Schedule a webinar today to learn about the latest advancements to the system and how the ASTM F3148 TNA Fastening System can reduce your total installed cost per bolt by as much as 50%. Simply click here or the above image for direct scheduling on our calendar [...]
LeJeune Bolt Company is please to announce an exclusive partnership with Boulons Plus to become the authorized Canadian distributor of the TNA® Torque + Angle Fastening System. Boulons Plus and subsidiary Precision Bolt will begin marketing and selling LeJeune’s patented TNA® Fastening System into the Canadian steel construction market. With locations in Montreal, Edmonton, [...]
This 2,100-foot KCS-Redland Bridge, operated by Kansas City Southern Railway, was the first major steel-deck railway bridge in the United States and weighs approximately 2,400 tons. After experiencing issues with critical bolted connections on the Arkansas River Bridge near Redland, Oklahoma, the Engineering Firm Wiss, Janney, Elstner & Associates examined and tested these connections [...]
ASTM F3148-17a Standard Specification for High Strength Structural Bolt Assemblies, Steel and Alloy Steel, Heat Treated, 144ksi Minimum Tensile Strength, Inch Dimensions. Within the standard you will find all of the information required to specify TNA®. Included in the standard you will also find important additional information needed to implement the system. In F3148 you [...]
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CoreBrace, the leading designer and fabricator of Buckling Restraint Braces, recently tested our ASTM F3148 TNA Fastening System at UCSD. CoreBrace calls for an exacting installation process of it's BRB's to ensure their performance. The installation process requires the installer to perform systematic snug passes followed by final tensioning through all rows of bolts. Each [...]
